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A299046 Number of nXn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 0
1, 4, 11, 455, 9994, 1731008, 888675946, 1063108306477, 4680605638885458 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Diagonal of A299052.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=5

..0..1..0..1..0. .0..1..1..1..0. .0..0..0..0..1. .0..1..0..0..1

..0..1..0..1..0. .1..0..1..1..1. .0..0..1..0..0. .1..0..0..1..0

..0..0..0..1..1. .0..0..0..1..0. .1..0..1..0..1. .1..1..0..0..0

..1..0..0..1..0. .1..0..1..1..1. .0..0..0..0..0. .1..1..1..0..0

..0..1..0..0..1. .1..0..1..1..0. .0..0..1..0..0. .0..1..1..1..1

CROSSREFS

Cf. A299052.

Sequence in context: A304888 A316572 A216571 * A113314 A180057 A222316

Adjacent sequences:  A299043 A299044 A299045 * A299047 A299048 A299049

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 01 2018

STATUS

approved

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Last modified October 13 20:38 EDT 2019. Contains 327981 sequences. (Running on oeis4.)